Free Practice Microsoft DP-420 Exam Questions 2025

Which of the following is the most optimal method of managing referential integrity between different containers in Azure Cosmos DB?

You have an Azure Cosmos DB for NoSQL account that has multiple write regions. You need to receive an alert when requests that target the database exceed the available request units per second (RU/s). Which Azure Monitor signal should you use?

You have a container of books with JSON documents that have a string property named title. The JSON documents also have a property named tags which is an array of string values. You need to authorize a SQL query that will create a cross-product of the document titles and tags. Which of the following SQL query would you use?

You plan to create an Azure Cosmos DB for NoSQL account that will have a single write region and three read regions.

You need to set the consistency level for the account. The solution must meet the following requirements:

• In the write region, writes must replicate synchronously across at least three replicas.

• In the read regions, reads must see writes in order for transactional batches.

• Throughput for reads and writes must be maximized.

Which consistency level should you select?

You plan to create an Azure Cosmos DB for NoSQL account that will use customer-managed keys stored in

Azure Key Vault.

You need to configure an access policy in Key Vault to allow Azure Cosmos DB access to the keys.

Which three permissions should you enable in the access policy? Each correct answer presents part of the

solution.

NOTE: Each correct selection is worth one point.